VTableInspector.hpp

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#pragma once 
 
#include <type_traits>
#include <bit>
#include <iostream>
#include <cassert>
#include <cstring>
 
namespace memviz {
    template<typename T> 
    static void inspectVTable(T *obj, size_t max_slots = 64) {
        static_assert(std::is_polymorphic_v<T>);
        assert(obj != nullptr);
 
        void* raw = nullptr;
        std::memcpy(&raw, obj, sizeof(raw));
 
        if (!raw) {
            std::cout << "\031[31m[ERROR]: unable to copy terminating inspectVTable\031[0m\n";
            return ;
        }
 
        void** vtable = reinterpret_cast<void**>(raw);
 
        for(size_t i = 0; i < max_slots; i++) {
            if (vtable[i] == nullptr)
                break;
            std::cout<<"["<<i<<"]"<<vtable[i]<<std::endl;
        }
    }
}